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Diffstat (limited to 'fs/xfs/xfs_imap.h')
-rw-r--r-- | fs/xfs/xfs_imap.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/fs/xfs/xfs_imap.h b/fs/xfs/xfs_imap.h new file mode 100644 index 000000000000..e385064a066a --- /dev/null +++ b/fs/xfs/xfs_imap.h @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * + * Further, this software is distributed without any warranty that it is + * free of the rightful claim of any third person regarding infringement + * or the like. Any license provided herein, whether implied or + * otherwise, applies only to this software file. Patent licenses, if + * any, provided herein do not apply to combinations of this program with + * other software, or any other product whatsoever. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, + * Mountain View, CA 94043, or: + * + * http://www.sgi.com + * + * For further information regarding this notice, see: + * + * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ + */ +#ifndef __XFS_IMAP_H__ +#define __XFS_IMAP_H__ + +/* + * This is the structure passed to xfs_imap() to map + * an inode number to its on disk location. + */ +typedef struct xfs_imap { + xfs_daddr_t im_blkno; /* starting BB of inode chunk */ + uint im_len; /* length in BBs of inode chunk */ + xfs_agblock_t im_agblkno; /* logical block of inode chunk in ag */ + ushort im_ioffset; /* inode offset in block in "inodes" */ + ushort im_boffset; /* inode offset in block in bytes */ +} xfs_imap_t; + +#ifdef __KERNEL__ +struct xfs_mount; +struct xfs_trans; +int xfs_imap(struct xfs_mount *, struct xfs_trans *, xfs_ino_t, + xfs_imap_t *, uint); +#endif + +#endif /* __XFS_IMAP_H__ */ |